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PDF NJW1186 Data sheet ( Hoja de datos )
| Número de pieza | NJW1186 | |
| Descripción | Passive Matrix Surround Circuit / DMP20 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1186 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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NJW1186
5.1ch Surround Processor
s GENERAL DESCRIPTION
The NJW1186 is an Surround Processor for 5.1ch speaker
system regenarating Center, Surround and Subwoofer channel
signal from normal stereo signal input. The NJW1186 contains
Passive Matrix circuit, BPF for center channel, LPF for subwoofer,
simulated stereo function for surround channel and trimmers for
each channel.
All of internal status and variables are controlled by I2C BUS.
It is suitable for TV set, Home Theater and the others.
s PACKAGE OUTLINE
NJW1186M
s FEATURES
q Operating Voltage
7.5 to 13V
q I2C BUS Interface
q Passive Matrix Surround Circuit
q Trimmer & BPF for Center Channel
q Trimmer & LPF for Subwoofer Channel
q Trimmer & Simulated Stereo Function for Surround Channel
q Bi-CMOS Technology
q Package Outline
DMP20
s BLOCK DIAGRAM
Lin
Rin
Passive
Matrix
Simulated
Stereo
Lout
Rout
LSout
RSout
+
+
BPF
LPF
Cout
SWout
V+
Vref
GND
Bias
Control
CSU CCE CSW
SDA
SCL
-1-
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NJW1186
♦Right Surround Channel Output (Lin=0, Rin=100mVrms, f=1kHz unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
MAX.
UNIT
Maximum Input Voltage
Bypass Gain
Voltage Gain
Maximum Gain
Minimum Gain
Mute Level
Total Harmonic Distortion
Output Noise 1
Output Noise 2
VIMRS THD=5%
GVPASSR
GVRS
GVMAXRS
GVMINRS
SRSEL=Bypass,
Lin=Rin=100mVrms
BCS=”0”, S-TRIM=”0000”,
S-MUTE=”1”, f=100Hz
BCS=”1”, S-TRIM=”1111”,
S-MUTE=”1”, f=100Hz
BCS=”0”, S-TRIM=”1111”,
S-MUTE=”1”, f=100Hz
GVMUTERS S-MUTE=”0”, Rin=1Vrms, Lin=0
THDRS
VNO1RS
VNO2RS
BCS=”0”, S-TRIM=”0000”,
S-MUTE=”1”, BW=400Hz to 30kHz,
Rin=500mVrms, Lin=0
BCS=”0”, S-TRIM=”0000”,
S-MUTE=”1”, No Signal,
A-Weighted, Rg=0Ω
S-MUTE=”0”,
No Signal, A-Weighted, Rg=0Ω
2.8
-2.0
-2.0
12.5
-
-
-
-
-
3.0 - Vrms
0 2.0
0 2.0
15.0 17.5
dB
-15.0
-
-80 -70
0.1 0.5
%
-94
(19.6)
-106
(5.0)
-85
(56.2)
-96
(15.8)
dBV
(µVrms)
BW: Band Width
-5-
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NJW1186
s DEFINITION OF I2C REGISTER
q I2C BUS FORMAT
MSB
LSB MSB
LSB MSB
LSB MSB
LSB
S Slave Address A Data (00H) A Data (01H) A Data (02H) A
P
1bit
8bit 1bit 8bit 1bit 8bit
1bit 8bit 1bit 1bit
S: Starting Term
A: Acknowledge Bit
P: Ending Term
q SLAVE ADDRESS
MSB
LSB
1 0 0 0 0 0 0 R/W
R/W=0: Write mode for register setting
R/W=1: Not available
q CONTROL REGISTER TABLE
Address
00H
01H
02H
D7
BCS
BCC
BCW
D6
BIT
D5 D4 D3
S-TRIM
C-TRIM
W-TRIM
D2
S-MUTE
C-MUTE
W-MUTE
D1 D0
SIM SRSEL
Don't Care
Don't Care
q CONTROL REGISTER DEFAULT VALUE
BIT
Address
D7 D6 D5 D4 D3 D2 D1 D0
00H 0 0 0 0 0 0 0 0
01H 0 0 0 0 0 0
-
02H 0 0 0 0 0 0
-
- 11 -
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11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet NJW1186.PDF ] | |
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